The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.
Installing attic walkway.
An attic walkway doesn t have to be pretty or expensive.
We ll show you how to cut out frame the opening then install a fo.
Cut either 2 by 4 inch or 2 by 6 inch lumber into lengths that match the width of the plywood.
The first plank is placed at the entrance of the attic walkway on the first horizontal chord.
A 4 foot long plywood strip will need at least 8 screws on it.
We normally recommend that you place plywood over the top of the rafters creating a walkway to the a c and in that area only lay in one or two layers of unfaced fiberglass blanket on top of the plywood walkway and around the ac unit itself.
Cut the 5 8 inch plywood sheets to create gussets.
The intent is to lay down the boards and the ends should attach to a ceiling rafter.
We used leftover plywood scraps to build ours an attic walkway also needs enough support.
The surface itself just has to be strong enough to handle your weight along with tools and gear.
Installing a pull down attic ladder is essential for safer easier access to your attic.
Attic furnace access passageway and platform attic furnace passageway and.
How to make a catwalk in the attic.
Attic furnace walkway platform attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area.
These gussets should run from the bottom of the chord to.